Light and Forces Quiz

What happens to a ray of light when it strikes a plane mirror?

• It bends

• It refracts

• It reflects

• It is absorbed

When light is reflected from a plane mirror, the image formed is:

• Larger than the object

• Smaller than the object

• The same size as the object

• Inverted

What happens to light when it passes from air into water?

• It speeds up and bends away from the normal

• It slows down and bends towards the normal

• It continues in a straight line

• It is reflected back

The bending of light when it passes from one medium to another is called:

• Reflection

• Refraction

• Dispersion

• Absorption

When light travels from water to air, it:

• Speeds up and bends towards the normal

• Slows down and bends away from the normal

• Slows down and bends towards the normal

• Speeds up and bends away from the normal

Which of the following is true about refraction?

• Light always bends towards the normal

• Light always bends away from the normal

• Light can bend towards or away from the normal depending on the mediums

• Light does not bend at all

A straw appears bent when placed in a glass of water due to:

• Reflection

• Refraction

• Diffraction

• Dispersion

Which symbol represents a battery in a circuit diagram?

In a circuit diagram, what does the following symbol represent?

• A lamp

• A switch

• A cell

• A buzzer

What happens to the brightness of bulbs in a series circuit if one bulb is removed?

• All bulbs go out

• The remaining bulbs get brighter

• The remaining bulbs get dimmer

• The remaining bulbs stay the same